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UV Index in Hanoi

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Today's UV index in Hanoi, Vietnam Vietnam will be up to 6.8, indicating a high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.

 

Today's tips

With Hanoi's UV index reaching 6.8, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.

Hanoi's UV Index

The UV index in Hanoi, Vietnam, can reach high levels, especially during the dry season. It's important to note that UV radiation can be strong, even on cloudy days.

Weather Seasons

UV index

Hanoi experiences two main seasons: a hot and wet summer, and a cooler and drier winter. The summer months, from May to September, are hot and humid with frequent heavy rain showers. The winter months, from November to March, are cooler and drier, with occasional light rain.

Hanoi's Climate

Compared to its region and neighboring countries, Hanoi's weather is moderate. Northern Vietnam, where Hanoi is located, generally has cooler temperatures and more rainfall than southern Vietnam or neighboring countries like Thailand or Cambodia, which are closer to the equator and have a more consistently hot and humid climate year-round.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Hanoi. It's designed to provide you with a better understanding of the yearly weather and sun exposure.

Disclaimer

* This page's content about the UV index in Hanoi (Vietnam) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.